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Prosthetic Knee, Endoskeletal Four-Bar, Friction Swing

Maryland rates for HCPCS L5611

Addition to lower extremity, endoskeletal system, above knee (AK), knee disarticulation, four-bar linkage, with friction swing phase control

Rates data updated July 2026.

How much does Prosthetic Knee, Endoskeletal Four-Bar, Friction Swing cost?

$1,023

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $1,023 for this service. Most negotiated rates run $912 to $1,148.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $1,445 · 10th to 90th $871 to $1,995Professionalmedian $1,023 · 10th to 90th $851 to $1,514
$1K$2K$5K$10Kfacility $1,445professional $1,023

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
Global
Typical Low
$851.14
Median
$1,023.29
Typical High
$1,445.44
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$1,047.13
Median
$1,047.13
Typical High
$1,348.96
Cigna
Setting
Facility
Modifier
Global
Typical Low
$1,230.27
Median
$1,230.27
Typical High
$1,288.25
Cigna
Setting
Professional
Modifier
Global
Typical Low
$891.25
Median
$891.25
Typical High
$1,230.27
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$1,380.38
Median
$1,995.26
Typical High
$2,951.21
United
Setting
Facility
Modifier
Global
Typical Low
$812.83
Median
$1,445.44
Typical High
$1,995.26
United
Setting
Professional
Modifier
Global
Typical Low
$870.96
Median
$1,023.29
Typical High
$1,513.56
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$1,174.90
Median
$1,174.90
Typical High
$1,659.59

Where Maryland sits

The same service costs 3.2 times more in Hawaii than in Nebraska. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Maryland· 45th of 51

$1,023

HI $2,754NE $851

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.